Initial commit: wowee native WoW 3.3.5a client

include/rendering/clouds.hpp

@@ -0,0 +1,95 @@
+#pragma once
+
+#include <GL/glew.h>
+#include <glm/glm.hpp>
+#include <memory>
+#include <vector>
+
+namespace wowee {
+namespace rendering {
+
+class Camera;
+class Shader;
+
+/**
+ * @brief Renders procedural animated clouds on a sky dome
+ *
+ * Features:
+ * - Procedural cloud generation using multiple noise layers
+ * - Two cloud layers at different altitudes
+ * - Animated wind movement
+ * - Time-of-day color tinting (orange at sunrise/sunset)
+ * - Transparency and soft edges
+ */
+class Clouds {
+public:
+    Clouds();
+    ~Clouds();
+
+    /**
+     * @brief Initialize cloud system (generate mesh and shaders)
+     * @return true if initialization succeeded
+     */
+    bool initialize();
+
+    /**
+     * @brief Render clouds
+     * @param camera The camera to render from
+     * @param timeOfDay Current time (0-24 hours)
+     */
+    void render(const Camera& camera, float timeOfDay);
+
+    /**
+     * @brief Update cloud animation
+     * @param deltaTime Time since last frame
+     */
+    void update(float deltaTime);
+
+    /**
+     * @brief Enable or disable cloud rendering
+     */
+    void setEnabled(bool enabled) { this->enabled = enabled; }
+    bool isEnabled() const { return enabled; }
+
+    /**
+     * @brief Set cloud density (0.0 = clear, 1.0 = overcast)
+     */
+    void setDensity(float density);
+    float getDensity() const { return density; }
+
+    /**
+     * @brief Set wind speed multiplier
+     */
+    void setWindSpeed(float speed) { windSpeed = speed; }
+    float getWindSpeed() const { return windSpeed; }
+
+private:
+    void generateMesh();
+    void cleanup();
+    glm::vec3 getCloudColor(float timeOfDay) const;
+
+    // OpenGL objects
+    GLuint vao = 0;
+    GLuint vbo = 0;
+    GLuint ebo = 0;
+    std::unique_ptr<Shader> shader;
+
+    // Mesh data
+    std::vector<glm::vec3> vertices;
+    std::vector<unsigned int> indices;
+    int triangleCount = 0;
+
+    // Cloud parameters
+    bool enabled = true;
+    float density = 0.5f;  // Cloud coverage
+    float windSpeed = 1.0f;
+    float windOffset = 0.0f;  // Accumulated wind movement
+
+    // Mesh generation parameters
+    static constexpr int SEGMENTS = 32;  // Horizontal segments
+    static constexpr int RINGS = 8;      // Vertical rings (only upper hemisphere)
+    static constexpr float RADIUS = 900.0f;  // Slightly smaller than skybox
+};
+
+} // namespace rendering
+} // namespace wowee